Comparative evaluation of text classification techniques using a large diverse Arabic dataset |
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Authors: | Mohammad S. Khorsheed Abdulmohsen O. Al-Thubaity |
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Affiliation: | 1. King Abdulaziz City for Science & Technology, P O Box 6086, Riyadh, 11442, Saudi Arabia
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Abstract: | A vast amount of valuable human knowledge is recorded in documents. The rapid growth in the number of machine-readable documents for public or private access necessitates the use of automatic text classification. While a lot of effort has been put into Western languages—mostly English—minimal experimentation has been done with Arabic. This paper presents, first, an up-to-date review of the work done in the field of Arabic text classification and, second, a large and diverse dataset that can be used for benchmarking Arabic text classification algorithms. The different techniques derived from the literature review are illustrated by their application to the proposed dataset. The results of various feature selections, weighting methods, and classification algorithms show, on average, the superiority of support vector machine, followed by the decision tree algorithm (C4.5) and Naïve Bayes. The best classification accuracy was 97 % for the Islamic Topics dataset, and the least accurate was 61 % for the Arabic Poems dataset. |
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